C# Compilers

It occurred to me that I haven't mentioned how to compile C# programs if you don't have access to the full version of Visual Studio. Microsoft also provide a free IDE and compiler (Visual C# 2008 Express) at:

http://www.microsoft.com/express/vcsharp/Default.aspx

And there's a platform independent compiler at the Mono project, which theoretically compiles your program to work across Linux and Windows:

http://www.mono-project.com/CSharp_Compiler

Just thought I'd share! As usual, post any questions in the comments.